Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
14957Factored
FactorDigitsBitsDate
119657616.9old
81160864874631342.92008-08-26 19:58:44
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001255 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseF2AA28AD5CE21F072013
Verified2017-10-12kkmrkkblmbrbkF2AA28AD5CE21F07296713
Unverified2020-04-17Oliver KruseBBDEE6EB2E304C__2798653
History
DateUserTypeResult
2022-02-18Ethan O'ConnorNF-PM1
B1=10000000000, B2=91244305394882640
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-17Oliver KruseC-PRP
M14957/119657/8116086487463 : BBDEE6EB2E304C__
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M14957/119657/8116086487463 : F2AA28AD5CE21F07
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14957/119657/8116086487463 : F2AA28AD5CE21F07
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14957/119657/8116086487463 : F2AA28AD5CE21F07
PRP without proof (not generated)
2008-08-26-Anonymous-F
Factor: 8116086487463